PIC18C658 MICROCHIP [Microchip Technology], PIC18C658 Datasheet - Page 277

• Manufacturer Part Number: PIC18C658
• Description: High-Performance Microcontrollers with CAN Module
• Manufacturer: MICROCHIP [Microchip Technology]

CLRF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
2000 Microchip Technology Inc.
Before Instruction
After Instruction
Decode
FLAG_REG
Z
FLAG_REG
Z
Q1
register ’f’
Clear f
[label] CLRF
0
a
000h
1
Z
Clears the contents of the specified
register. If ’a’ is 0, the Access Bank
will be selected, overriding the BSR
value. If ’a’ is 1, the Bank will be
selected as per the BSR value.
1
1
CLRF
Read
0110
Q2
=
=
=
=
f
[0,1]
Z
255
0x5A
?
0x00
0
f
101a
Process
FLAG_REG
Data
f [,a]
Q3
ffff
Advanced Information
register ’f’
Write
Q4
ffff
CLRWDT
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
Before Instruction
After Instruction
Decode
WDT counter
WDT postscaler
TO
PD
WDT counter
WDT postscaler
TO
PD
Q1
operation
Clear Watchdog Timer
[ label ] CLRWDT
None
000h
000h
1
1
TO, PD
CLRWDT instruction resets the
Watchdog Timer. It also resets the
postscaler of the WDT. Status bits
TO and PD are set.
1
1
CLRWDT
0000
No
Q2
TO,
PD
PIC18CXX8
=
=
=
=
=
=
=
=
WDT,
WDT postscaler,
0000
?
?
?
?
0x00
0
1
1
Process
Data
Q3
DS30475A-page 277
0000
operation
No
Q4
0100